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Getting Java version at runtime

...nical Articles J2SE SDK/JRE Version String Naming Convention Version 1.5.0 or 5.0? "J2SE also keeps the version number 1.5.0 (or 1.5) in some places that are visible only to developers, or where the version number is parsed by programs" "java.version system property" Version 1.6.0 Used by De...
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Explain the use of a bit vector for determining if all characters are unique

... 103 int checker is used here as a storage for bits. Every bit in integer value can be treated as a ...
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What is q=0.5 in Accept* HTTP headers?

...y factor. It specifies what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4: Each language-range MAY be given an associated quality value which represents an estimate of the user's preference for the languages specified by that range. Th...
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Find Oracle JDBC driver in Maven repository

...;/groupId> <artifactId>ojdbc14</artifactId> <version>10.2.0.3.0</version> ...and the URL to download the file which in this case is http://www.oracle.com/technology/software/tech/java/sqlj_jdbc/index.html. Once you've downloaded the JAR just add it to your computer repo...
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Remove trailing zeros

...this, if the input IS a string? You can use one of these: string.Format("{0:G29}", decimal.Parse("2.0044")) decimal.Parse("2.0044").ToString("G29") 2.0m.ToString("G29") This should work for all input. Update Check out the Standard Numeric Formats I've had to explicitly set the precision specif...
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How do I set a variable to the output of a command in Bash?

... vstepaniuk 27022 silver badges88 bronze badges answered Jan 10 '11 at 21:04 Andy LesterAndy Lester ...
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Python: fastest way to create a list of n lists

... 105 The probably only way which is marginally faster than d = [[] for x in xrange(n)] is from ...
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Cross-browser custom styling for file upload button [duplicate]

... label.myLabel input[type="file"] { position:absolute; top: -1000px; } /***** Example custom styling *****/ .myLabel { border: 2px solid #AAA; border-radius: 4px; padding: 2px 5px; margin: 2px; background: #DDD; display: inline-block; } .myLabel:hove...
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How to change the style of alert box?

... | edited Dec 10 '19 at 17:32 answered Oct 21 '11 at 17:39 ...
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How can I pad a value with leading zeros?

...n for you, don't use this solution! Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and Number.prototype.toLocaleString is there since ECMAScript 3.1. Example: var n=-0.1; n.toLocaleString('en', {minimumIntegerDigits:4,minimumFractionDigits:2,useGrouping:false}) ...